THE CRUSTACEA OF NEW JERSEY. 345 



distinctly granulated on hepatic surface in larger examples. 

 Few more or less distinct granulations just behind cervical 

 g-roove, spine absent. Outer orbital angle well marked by angu- 

 lation or small tubercle, more rarely in young, spiniform. 

 Branchiostegal spine formed by small tubercle, sometimes obso- 

 lete. Abdomen long as carapace, or slightly shorter or longer. 

 Abdomen slightly wider in female than in male, hardly wider 

 than carapace in former. Front section of telson on hind lateral 

 corners usually with two, more rarely with three, spines. Hind 

 section of telson semi-elliptical, distinctly wuder than long', 

 slightly shorter than front section. 



Epistome with hind part broad, short, about two and 

 one-half times w-ide as long, with distinct transverse groove 

 either side slightly posterior to middle, and anterior median 

 depression. Front section of epistome constricted at base, 

 semi-circular, with median front point. Latter strongly de- 

 veloped or almost absent. Transverse diameter of epistome 

 distinctly greater than lengthwise. Antennule with small 

 tubercle on lower edge of basal joint, often spinifonn. 

 Antennal peduncle with tubercle on outer side of first joint, 

 often spiniform, especially in young. Second antennal joint 

 with or without very indistinct tubercle. Antennal scale short, 

 narrow, slightly longer than rostrum, reaches almost or to end 

 of fourth joint of antennal peduncle. Antennal scale with 

 spine on outer edge strong, and laminar part not much wider 

 than marginal spine. Flagellum reaches front edge or middle 

 of telson in male, slightly or considerably shorter in female, 

 or sometimes only to middle of second abdominal segment. 

 First perseopods very strong and robust in old examples, es- 

 pecially males. Hands long, ovate, broad, strongly depressed, 

 surface punctate. Inner palm edge short, curved, with single 

 marginal row of more or less distinct low tubercles. Outer 

 palm edge smooth, proximally rounded, distally carinate. 

 Fingers longer than palm, not gaping. in young, but wide gap 

 at base and meeting only at tips most noticeably in old males. 

 Outer edge of movable finger punctate, with few indistinct 

 tubercles in older examples. Cutting-edges with tubercles. 



